modify:优化

numkeydia.h

@@ -3,72 +3,47 @@
 
 #include "NumKeyBoard_global.h"
 #include <QDialog>
-#include <QLineEdit>
+#include <QScopedPointer>
 
-class QPushButton;
-
-namespace Ui
-{
+// 向前声明
+namespace Ui {
 class NumKeyDia;
 }
+class NumKeyDiaPrivate;
 
 class NUMKEYBOARD_EXPORT NumKeyDia : public QDialog
 {
     Q_OBJECT
+    // 声明私有类
+    Q_DECLARE_PRIVATE(NumKeyDia)
 
 public:
     explicit NumKeyDia(QWidget *parent = nullptr);
     ~NumKeyDia();
 
-    static NumKeyDia *instance()
-    {
-        return singleton;
-    }
+    static NumKeyDia *instance();
 
     void setValue(const QString &value);
     QString &getValue();
 
 protected:
-    virtual bool eventFilter(QObject *obj, QEvent *event) override;
+    bool eventFilter(QObject *obj, QEvent *event) override;
 
 private slots:
     void on_btn_ok_clicked();
-
     void on_btn_cancel_clicked();
-
     void on_btn_clear_clicked();
-
     void on_btn_back_clicked();
-
     void btn_input_clicked();
-
     void closeKeyBoard();
 
 private:
-    enum class InputPage
-    {
-        NumberPage,
-        SymbolPage
-    };
-
-    void setInputPage(InputPage page);
-    void refreshInputButtons();
-    void configureInputButton(QPushButton *button,
-                              const QString &label,
-                              const QString &value,
-                              bool enabled,
-                              bool isModeSwitch = false);
-
-    Ui::NumKeyDia *ui;
-
+    // 使用 QScopedPointer 管理私有实现类
+    QScopedPointer<NumKeyDiaPrivate> d_ptr;
     static NumKeyDia *singleton;
 
-    QString value = QString();
-
-    QPoint m_point;
-
-    bool m_firstInputFlag = true;
-    InputPage m_inputPage = InputPage::NumberPage;
+    // 禁用拷贝
+    Q_DISABLE_COPY(NumKeyDia)
 };
 
 namespace KeyBoard